IBM25PPC440GP IBM Microelectronics, IBM25PPC440GP Datasheet - Page 7

• Manufacturer Part Number: IBM25PPC440GP
• Description: PowerPC 440GP Embedded Processor
• Manufacturer: IBM Microelectronics

PowerPC 440GP Embedded Processor Data Sheet
5/13/04
System Memory Address Map
Local Memory
Internal Peripherals
Expansion ROM
Boot ROM
PCI-X
Notes:
1. DDR SDRAM and
2. The Boot ROM and Expansion ROM areas of the memory map are intended for use by ROM or Flash-type devices. While
3. When the optional boot from PCI-X memory is selected, the PCI-X Boot ROM address space begins at 2 FFFE 0000 (128 KB).
locating volatile DDR SDRAM and SRAM in this region is supported, use of these regions for this purpose is not recommended.
Function
2, 3
1
2
on-chip
DDR SDRAM
SRAM
Reserve
EBC
Reserved
UART0
Reserved
UART1
Reserved
IIC0
Reserved
IIC1
Reserved
OPB Arbiter
Reserved
GPIO Controller
Ethernet PHY ZMII
Ethernet PHY GMII
Reserved
Ethernet 0 Controller
Ethernet 1 Controller
General Purpose Timer
Reserved
Reserved
PCI-X I/O
Reserved
PCI-X External Configuration Registers
Reserved
PCI-X Bridge Core Configuration Registers
Reserved
PCI-X Special Cycle
PCI-X Memory
SRAM can be located anywhere in the Local Memory area of the memory map.
Sub Function
Start Address
1 FFE0 0000
2 0EC0 0000
2 0EC0 0008
2 0EC8 0000
2 0EC8 0100
2 0ED0 0000
2 0EE0 0000
1 4000 0A00
1 4000 0B00
2 0C00 0000
0 0000 0000
0 8000 0000
0 8000 2000
1 0000 0000
1 4000 0000
1 4000 0200
1 4000 0208
1 4000 0300
1 4000 0308
1 4000 0400
1 4000 0420
1 4000 0500
1 4000 0520
1 4000 0600
1 4000 0640
1 4000 0700
1 4000 0780
1 4000 0790
1 4000 0790
1 4000 0800
1 4000 0900
1 F000 0000
2 0000 0000
2 0800 0000
End Address
1 EFFF FFFF
1 FFDF FFFF
2 0EBF FFFF
2 0EC7 FFFF
2 0EDF FFFF
F FFFF FFFF
0 7FFF FFFF
0 FFFF FFFF
1 3FFF FFFF
1 FFFF FFFF
2 07FF FFFF
2 0BFF FFFF
2 0EC8 00FF
2 0EC8 00FF
1 4000 0AFF
2 0EC0 0007
0 8000 1FFF
1 4000 01FF
1 4000 02FF
1 4000 03FF
1 4000 041F
1 4000 04FF
1 4000 051F
1 4000 05FF
1 4000 063F
1 4000 06FF
1 4000 077F
1 4000 078F
1 4000 079F
1 4000 07FF
1 4000 08FF
1 4000 09FF
1 4000 0207
1 4000 0307
Page 7 of 72
55.76 GB
254MB
64MB
256B
128B
256B
256B
256B
2MB
1MB
Size
2GB
1GB
8KB
32B
32B
64B
16B
16B
8B
8B
8B